5,7-Dimethylbenzofuran-2,3-dione CAS 31297-28-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31297-28-6 |
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-Dimethylbenzofuran-2,3-dione (CAS 31297-28-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H8O3. Molecular weight: 176.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Dimethylbenzofuran Standards
- 4,6-Dimethylbenzofuran-2,3-dione (CAS 31297-31-1)
- 4,7-Dimethylbenzofuran-2,3-dione (CAS 31297-30-0)
- (5,7-Dimethylbenzofuran-2-yl)methanol (CAS 1494082-13-1)
- (3,5-Dimethylbenzofuran-2-yl)methanol (CAS 71507-33-0)
- 3,6-Dimethylbenzofuran-2-carbaldehyde (CAS 16820-39-6)
- 4,7-Dimethylbenzofuran-2-carbaldehyde (CAS 196519-54-7)
- 5,7-Dimethylbenzofuran-2-carbaldehyde (CAS 289892-02-0)
- 2-(2,3-Dimethylbenzofuran-5-yl)acetonitrile (CAS 3782-07-8)
Recommended Standards
- 5,6-Dimethylisobenzofuran-1,3-dione (CAS 5999-20-2)
- 5-Acetyl-2-amino-4-hydroxybenzonitrile (CAS 71408-03-2)
- 5-(Prop-2-yn-1-yloxy)benzo[d][1,3]dioxole (CAS 19947-80-9)
- N,N-Dipropyl-2-methyl-3-nitrophenylethanamine (CAS 91374-23-1)
- Vortioxetine (CAS 508233-74-7)
- 6-Chloro-2-propyl-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 57463-12-4)
- 5-(Azetidin-3-yl)-3-(2-chloro-6-fluorophenyl)-1,2,4-oxadiazole (CAS 1706462-19-2)
- tert-Butyl 1,4-thiazepane-4-carboxylate 1-oxide (CAS 1880585-34-1)
- N-Methyl-N-(N-(2,2,2-trifluoroethyl)sulfamoyl)glycine (CAS 1593054-77-3)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com